6 Answers
6

You do not need a question mark because the sentence is what is called an "indirect question."

Indirect questions do not close with a
question mark but with a period. Like
direct questions they demand a
response, but they are expressed as
declarations without the formal
characteristics of a question.

Even though both of them are correct, I'd prefer the first of them in almost every case. Indirect questions are quite handy, since you don't need to change intonation or actually make the sentence look, talk and walk like a question (which is slightly more work than not). Plus, the second sentence is a break, both mentally and linguistically. It's less natural and does have a reverse order (though that might be good too in some situations).

It includes, that issue is now frozen or something like that. I prefer my variant cause it means that person should be working on that particular task at the moment and should have reached some progress. Tastes differ though. :)
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Denys S.May 10 '11 at 15:20

Well in that case I'd use something like "GET BACK TO WORK" or similar.
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billynomatesMay 10 '11 at 15:25

I doubt that people like to be treated as slaves. IMHO: it greatly depends on the person (and result of whatever you say to him/her), but generally, being in the middle (no slavery, though, not as if you had a halo) works well. :)
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Denys S.May 10 '11 at 18:06

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Avonyesterday